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Differences What are the advantages of each

Front view of Intel Pentium G2020

Reasons to consider the
Intel Pentium G2020

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Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 2,770 vs 355 More than 7.8x better PassMark score
Much better PassMark (Single core) score 1,560 vs 543 More than 2.8x better PassMark (Single core) score
Higher clock speed 2.9 GHz vs 2.6 GHz More than 10% higher clock speed
Much better overclocked clock speed (Air) 3.03 GHz vs 2.31 GHz More than 30% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.1 GHz vs 1.83 GHz Around 70% better overclocked clock speed (Water)
Front view of AMD Athlon 64 X2 2500+

Reasons to consider the
AMD Athlon 64 X2 2500+

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Pentium G2020 vs Athlon 64 X2 2500+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G2020  vs
Athlon 64 X2 2500+ 
Clock speed 2.9 GHz 2.6 GHz
Cores Dual core Dual core
Socket type
LGA 1155
462
AM2

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Pentium G2020  vs
Athlon 64 X2 2500+ 
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.03 GHz 2.31 GHz
Overclocked clock speed (Water) 3.1 GHz 1.83 GHz
PassMark (Overclocked) 2,960.3 294.8
Overclocked clock speed (Air) 3.03 GHz 2.31 GHz

power consumption

Typical power consumption 44.69W N/A
Intel Pentium G2020
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AMD Athlon 64 X2 2500+
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